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Accidental Discovery Triggered A Global Rush
- The gold discovery at Sutter's Mill in January 1848 was accidental and catalysed global migration when President Polk confirmed it later that year.
- John Sutter tried to keep it secret but local merchants like Sam Brennan publicised it, triggering the 1849 rush of tens of thousands of prospectors.
How A Storekeeper Spread The News
- John Sutter hired John Marshall to build a sawmill and Marshall found gold flakes in the American River while working, then tested them with lye and sought verification in San Francisco.
- Sam Brennan, a storekeeper, loudly advertised gold to sell mining supplies, which accelerated prospecting and wrecked Sutter's holdings.
Getting To California Was A Major Feat
- Travel to California was arduous: sea voyages around Cape Horn took months or a Panama crossing involved disease and delays, while overland wagon trains could take six months to a year.
- Migrants formed companies in Missouri, overloaded wagons, and many died from heat, cold, or exhaustion crossing the Sierra Nevada.